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A lost historical monument: Roman and late Roman fortification from Ada - Kaleh Island.

Paper written by Archaeology expert Dorel Bondoc PhD, of Oltenia Museum, Craiova, Romania

Dr Dorel Bondoc
Muzeul Olteniei, Craiova
poziţia actuală: muzeograf

Photo: http://www.mnir.ro/cercetare/santiere/racari/colectiv/team_frame.htm

The XIXth Congress of Roman Frontier Studies, Pécs 2003, was held under the late auspices of Marcus Aurelius, who had to fight against Marcomanns and Sarmatians in the sixties and seventies of the 2nd century AD along the frontiers of the province Pannonia. The stoic philosopher wrote some of his works during these campaigns and died in 180 in Vindobona (Vienna). His bronze statue was erected in the auxiliary fort Lugio (Dunaszekcsö) at this time. The perfectly made bronze head, depicted on the frontispiece, counts apart from the equestrian statue in Rome as the most valuable and best bronze image of the emperor (preserved in the Janus Pannonius Musem, Pécs).

Ada-Kaleh island (Fig. 1) had lain in the middle of the Danube, before it was covered by the waters of the river, downstream the Iron Gates, at a distance of 4 km south-east from Dierna (Orsova) and 18 km from Drobeta (Tumu-Severin). In the region, the climate is mild, wet in winter and hot in summ r. The mediterranean influence allowed the adaptation of some exotic species of plants and animals.

This paper is meant to describe, as far as the available knowledge allows it, a historical and archaeological monument, which was lost for good. Ada-Kaleh island was 1.750 km long and 400-500 m wide and lay in Mehedinti county, Romania.

At the beginning of the 15th century, the island was occupied by Turks, who intuited its remarkable strategical importance for the development of the river trade on the Danube, after the exit from Kazan region. In 1718, as a result of the treaty from Passarowitz (Pojarevat), the northern Serbia, Banat and Oltenia became possessions of the Austrians, as was also the case of Ada-Kaleh island which bore the name New Orsova then.

The Austrians built a strong fortification of "Vauban" type (Fig. 2) on the island. In 1739, after the treaty from Belgrad, Austria returned Serbia and Oltenia to Turkey. As a result the island was occupied again by Turks, who gave it the name Ada-Kaleh, which may be translated as "the island of the fortress." The toponym can also be found in the documents of that time as: Ada Kale, Ada Cale, Adakaleh, Ada Kaleh or Adacale.

The efforts of the Austrians to retrieve the island between 1789-1790, were unsuccessful. After 1829, together with the treaty from Adrianopol, the Romanian States obtained many facilities such as: administrative autonomy, free trade, rulers appointed for their life time, etc. Therefore, the strategical importance of the island diminished considerably after applying the stipulations of the treaty. At the Peace Congress in Berlin (1878), the situation of the island wasn't raised for discussion during the negotiations, it was actually forgotten, continuing to be an isolated possession of Turkey. On the 22nd November 1885, the island was declared open and from now on, the military functions of the island were ended. This was the situation of the island until 1919, when it was returned to Romania, under the right of self-determination of the inhabitants. The situation was registered by the treaty from Trianon (1920) and it was admitted by Turkey only in 1923, as part of the treaty of Lausanne.

After 1923, the island became a touristic paradise. The ruined fortifications, the occupations and customs ofthe natives, very interesting from the ethnographical point of view, the exoticism of the climate, fauna and flora were interesting sights for visitors and local tourism was developing. The economic situation flourished as never before, especially after 1931, when the former king of Romania, Carol II, visited the island and the inhabitants were given many privileges.

There are more details in some topographic materials from the modern age. Thus, a map from the 18th century: Plan de l'Ysle de Orsova et de la fortification situee sur le Danuve... drawn by Joseph Deharo, Viscount of Lincourt, presents an Austrian fortification of "Vauban" type on Ada-Kaleh island. At present, the map is at the Museum of Archaeology in Istanbul, inv. 5842. Inside the Austrian fortification, there is a structure in the shape of a quadriburgium with rhomboidal comer towers (Fig. 3). When I used this information for the first time, I was not sure of its Roman origin. The rhomboidal shape of the comer towers suggests that it might be a structure which is a part of the Austrian fortification. Anyway, rhomboidal towers are not unusual in the Roman age; there are similar constructions at Transdierna, in Dacia Ripensis, today Tekija, in Serbia.

The fortifying of the places on Ada-Kaleh island and Orsova was registered by F. von Reilly on the map Karte von dem Osmanischen Reiche in Europa, from 1796. This map might have been taken again under the same name by F. L. Gusefeld in 1802. Both maps present distinctly the fortifications from Ada-Kaleh island (= New Orschova) and Orsova (= Alt Orschova). It can't be specified if they were Roman or mediaeval constructions.

Meanwhile, new information has become available. Recently, a map drawn in 1744, by Avon von Bellavich, at 1: 68.000 has been commented upon. The title of the map is Plan des gegen das Turkische Gebeit ausgestellen Banatischen Cordons mittelst welchen die bereits vorhandene gut-und Brauchbahre alte, dann die neu zu errichten antragede Wachlehaltnussen als Chardaquen, Wachthauser, Erd-und Ruhr-Hutten nach ihrer verschiendenen Bau-Arth mit distinguierten Farben aufgezeichnet seynd. At present, the map is at the War Archives in Vienna. The area of Orsova contains also a draft of the Austrian fortification of "Vauban" type from Ada-Kaleh island (Fig. 4); the island is named here with the old title Insel Orsova. As in the case of Joseph Deharo's map, discussed above, inside the Austrian fortification, there can be clearly noticed a quadriburgium with corner towers, protruded out of the enclosure. Unlike Joseph Deharo's map, on the one drawn by Avon von Bellavich, the corner towers are almost round. The difference can't be explained.

The raising of the Austrian fortifications of "Vauban" type on older ruins, actually over the Roman foundation is not an unusual fact, this situation having been recorded in other places (see for example, the situation from Alba Iulia, where over the walls of the Roman camp Apulum there was raised a fortification of "Vauban" type; it is also the case at Singidunum camp and that of the fortification from Pancevo and from Sapaja island, which were superposed by Austrian fortifications of the same type).

In order to support the existence of a Roman fortification on Ada-Kaleh island, there can be invoked another topographic source. This is a military map (Fig. 5), made by the Topographic Board of the Ministry of Defence of Romania (R.S.R.) in 1962, at the time when the island hadn't been flooded yet and no archaeological excavations had been made. The map presents a rectangular fortification (probable size: 25Ox2OO metres) divided north-south and east-west by cardo and decumanus maximus. All these indicate a Roman camp. From the middle of the eastern side of the fortification, where probably there was a gate, there started a road to the eastern extremity of the island. In this point, the map shows a circular construction; these might be the ruins of a tower for observation and/or signaling.

Among the topographic sources quoted above, there is an discrepancy concerning the shape of the Roman fortification on Ada-Kaleh island. On the one hand, the Austrian map by Avon von Bellavich registers a fortification of quadriburgium type, dated probably from the Late Roman period. On the other hand, the military map drawn by the Topographic Board of the Ministry of Defence of Romania (R.S.R.) in 1962, presents a construction which seems to be a Roman camp from the 2nd - 3rd centuries. For the time being, this discrepancy can't be explained and there isn't any reason to suspect the information given by the two maps of inaccuracy

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